Exam 17: Glacier Landforms and the Ice Age

The pressure exerted on the base of an alpine glacier results in which of the following processes?

The bowl-shaped depression at the upper end of a valley glacier is referred to as a/an:

The term used to describe rock debris deposited in close association with glaciers is called glacial _______________.

Compare and contrast the different forms of glacial drift,till and moraines.Draw diagrams to indicate particle size and sorting.

The most recent deglaciation set in around ___________ years ago.

The warmer interglacial epoch in which we currently find ourselves is referred to as the:

A long sinuous ridge of sediment deposited in an alpine glacier's meltwater tunnel is referred to as a/an:

The uppermost layer of a glacier is brittle,but beneath the ice behaves as a plastic substance and moves by slow flowage.

The granular compacted old snow that forms glacial ice is properly referred to as:

Ice sheets during the last glacial maximum in North America,extended as far south as Florida and Texas.

Compare and contrast the movement and characteristics of alpine glaciers and continental ice sheets.

Which of the following types of till consists of clay rich debris previously dragged forward beneath the moving ice?

What is the name commonly given to the most recent glaciation in North American?

Describe the formation of a glacial trough and the formation of associated hanging valleys.

Which of the following may be responsible for the development of glacial surges?

Pack ice is a form of sea ice that forms from the freezing of seawater and completely covers the sea surface.

Describe the spread of ice sheets across North America during the Wisconsinan glaciation

Stratified drift consists of layers of sorted and stratified clays and angular pebbles and large boulders.

Motion in an alpine glacier is fastest near the bed and slowest on the surface at its midline.

Which of the following types of till forms a thin,more or less even cover over the ground surface?